About A. Reid Monroe-Sheridan

Registered Foreign Lawyer in Japan

A. Reid Monroe-Sheridan

A. Reid Monroe-Sheridan

Reid Monroe-Sheridan is a New York-licensed corporate lawyer and registered foreign attorney based in Tokyo, Japan. Fluent in Japanese, Reid has experience spanning international mergers and acquisitions, venture financings, general corporate and commercial matters, equity and debt securities issuances, and corporate governance. Reid is also an Associate Professor at Keio Law School, one of Japan’s top-ranked law schools.

Practice Experience

Since founding Monroe-Sheridan Foreign Law Office in 2014, Reid has advised public and private Japanese and American companies in a variety of international matters including cross-border M&A, venture financings, international commercial agreements, overseas expansion, corporate governance, and U.S. securities law. Prior to that, Reid worked as an associate at Simpson Thacher & Bartlett in New York and Tokyo. At Simpson Thacher, Reid negotiated contracts and prepared other documentation for derivatives instruments, M&A transactions, and billions of dollars of securities issuances.

Teaching and Research

Reid is an Associate Professor at Keio Law School and has previously taught as an Adjunct Lecturer at the University of Tokyo Law School and the Hitotsubashi Graduate School of International Corporate Strategy. Reid’s research focuses on legal issues in the U.S. and Japan related to startups, venture capital and corporate governance. Reid’s current and past courses have covered cross-border M&A, startup and venture capital law, international capital markets, comparative corporate law, and Japanese law in cross-border matters, among other subjects.


Reid received his J.D., cum laude, from Harvard Law School and is a graduate of the Inter-University Center for Japanese Language Studies, which is run by Stanford University. Reid passed level N1 (the highest level) of the Japanese government’s Japanese Language Proficiency Test when level N1 was first introduced in 2010.

Additional Information

Qualifications and Memberships

  • New York Bar
  • Registered Foreign Attorney in Japan (Gaikokuho Jimu Bengoshi)
  • First Tokyo Bar Association (Daiichi Tokyo Bengoshikai), Special Foreign Member

Professional Experience

  • Monroe-Sheridan Foreign Law Office, 2014–present
  • Tokyo Nexus Limited, Representative Director, 2014–present
  • Simpson Thacher & Bartlett LLP, Associate, 2010–2014

Academic Positions

  • Keio University Law School, Associate Professor, April 2020–present (Assistant Professor, April 2016–March 2020; Adjunct Lecturer, April 2015–April 2016)
  • Hitotsubashi Graduate School of International Corporate Strategy, Adjunct Lecturer, 2016
  • University of Tokyo Law School, Adjunct Lecturer, 2013–2016



  • Inter-University Center for Japanese Language Studies, 2010
  • Harvard Law School, J.D., cum laude, 2009
    • Yong K. Kim ’95 Memorial Prize
    • Co-President, Harvard Asia Law Society (2008-2009)
    • Co-Chair, Asia Business Conference at Harvard Business School (2007-2008)
  • University of Tokyo Graduate School of Law and Politics, 2008-2009 (exchange program)
  • Carleton College, B.A., summa cum laude, 2006

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